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Finding the Third Proportional to 3,049,278 and 4,489,440

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Solution

The third proportional to 3,049,278 and 4,489,440 is: 6,609,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049,278 : 4,489,440 = 4,489,440 : x
  2. Step 2: Convert to fraction form
    3,049,278/4,489,440 = 4,489,440/x
  3. Step 3: Cross multiply
    3,049,278x = 4,489,440 × 4,489,440
  4. Step 4: Simplify right side
    3,049,278x = 20,155,071,513,600
  5. Step 5: Solve for x
    x = 20,155,071,513,600/3,049,278
  6. Step 6: Final answer
    x = 6,609,784.85

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.